package com.code.generate.utils;

/**
 * @author hl
 */
public class OSinfo {
  private static String OS = System.getProperty("os.name").toLowerCase();

  private static OSinfo _instance = new OSinfo();

  private EPlatform platform;

  private OSinfo() {
  }

  public static boolean isLinux() {
    return OS.indexOf("linux") >= 0;
  }

  public static boolean isMacOS() {
    return OS.indexOf("mac") >= 0 && OS.indexOf("os") > 0 && OS.indexOf("x") < 0;
  }

  public static boolean isMacOSX() {
    return OS.indexOf("mac") >= 0 && OS.indexOf("os") > 0 && OS.indexOf("x") > 0;
  }

  public static boolean isWindows() {
    return OS.indexOf("windows") >= 0;
  }

  public static boolean isOS2() {
    return OS.indexOf("os/2") >= 0;
  }

  public static boolean isSolaris() {
    return OS.indexOf("solaris") >= 0;
  }

  public static boolean isSunOS() {
    return OS.indexOf("sunos") >= 0;
  }

  public static boolean isMPEiX() {
    return OS.indexOf("mpe/ix") >= 0;
  }

  public static boolean isHPUX() {
    return OS.indexOf("hp-ux") >= 0;
  }

  public static boolean isAix() {
    return OS.indexOf("aix") >= 0;
  }

  public static boolean isOS390() {
    return OS.indexOf("os/390") >= 0;
  }

  public static boolean isFreeBSD() {
    return OS.indexOf("freebsd") >= 0;
  }

  public static boolean isIrix() {
    return OS.indexOf("irix") >= 0;
  }

  public static boolean isDigitalUnix() {
    return OS.indexOf("digital") >= 0 && OS.indexOf("unix") > 0;
  }

  public static boolean isNetWare() {
    return OS.indexOf("netware") >= 0;
  }

  public static boolean isOSF1() {
    return OS.indexOf("osf1") >= 0;
  }

  public static boolean isOpenVMS() {
    return OS.indexOf("openvms") >= 0;
  }

  /**
   * 获取操作系统名字
   *
   * @return 操作系统名
   */
  public static EPlatform getOSname() {
    if (isAix()) {
      _instance.platform = EPlatform.AIX;
    } else if (isDigitalUnix()) {
      _instance.platform = EPlatform.Digital_Unix;
    } else if (isFreeBSD()) {
      _instance.platform = EPlatform.FreeBSD;
    } else if (isHPUX()) {
      _instance.platform = EPlatform.HP_UX;
    } else if (isIrix()) {
      _instance.platform = EPlatform.Irix;
    } else if (isLinux()) {
      _instance.platform = EPlatform.Linux;
    } else if (isMacOS()) {
      _instance.platform = EPlatform.Mac_OS;
    } else if (isMacOSX()) {
      _instance.platform = EPlatform.Mac_OS_X;
    } else if (isMPEiX()) {
      _instance.platform = EPlatform.MPEiX;
    } else if (isNetWare()) {
      _instance.platform = EPlatform.NetWare_411;
    } else if (isOpenVMS()) {
      _instance.platform = EPlatform.OpenVMS;
    } else if (isOS2()) {
      _instance.platform = EPlatform.OS2;
    } else if (isOS390()) {
      _instance.platform = EPlatform.OS390;
    } else if (isOSF1()) {
      _instance.platform = EPlatform.OSF1;
    } else if (isSolaris()) {
      _instance.platform = EPlatform.Solaris;
    } else if (isSunOS()) {
      _instance.platform = EPlatform.SunOS;
    } else if (isWindows()) {
      _instance.platform = EPlatform.Windows;
    } else {
      _instance.platform = EPlatform.Others;
    }
    return _instance.platform;
  }

  /**
   * @param args
   */
  public static void main(String[] args) {
    System.out.println(OSinfo.getOSname().toString());
  }

}
